---
title: "Planned Preventative and Reactive Maintenance of Compressed Air Systems"
ocid: "ocds-h6vhtk-06dbd3"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06dbd3"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06dbd3.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06dbd3.json"
source: "Find A Tender Service"
current_stage: "Tender"
buyer: "THAMESLINK SOUTHERN GREAT NORTHERN LIMITED (TSGN)"
published: "2026-08-05"
---

# Planned Preventative and Reactive Maintenance of Compressed Air Systems

Buyer: THAMESLINK SOUTHERN GREAT NORTHERN LIMITED (TSGN)  
Current stage: Tender  
OCID: ocds-h6vhtk-06dbd3

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06dbd3)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-06dbd3.json)

## Summary

The procurement process initiated by Thameslink Southern Great Northern Limited (TSGN) involves tendering for the planned preventative and reactive maintenance of compressed air systems across their railway estates. The tender, titled "Planned Preventative and Reactive Maintenance of Compressed Air Systems," falls under the industry category of repair and maintenance services of machinery, specifically compressors, and is located in the United Kingdom. This tender is currently at the active tender stage with the procurement method being an open, competitive flexible procedure. Key dates to note include the deadline for expressing interest, which falls on 18th September 2026 at 23:59 BST, and the award period ending on 8th January 2027.

This tender presents a significant opportunity for businesses specialising in maintenance services, particularly those with expertise in mechanical repairs and compressed air systems. Companies equipped to offer high-quality and competitively priced solutions are well-suited to compete for this contract. The procurement process is structured to ensure a balance between commercial pricing and technical quality, with awards weighted 35% towards price and 65% towards technical criteria. With an estimated contract value of £380,000, it provides substantial business growth prospects for companies capable of delivering reliable and efficient maintenance services.

## Notice

the requirement is for a supplier to undertake planned preventative and reactive maintenance across the TLGN Railway estates wide range of compressed air equipment For more information about this opportunity, please visit the eSourcing portal at: https://gtr.delta-esourcing.com/tenders/UK-UK-London:-Repair-and-maintenance-services-of-machinery./7E52C2Y67E To respond to this opportunity, please click here: https://gtr.delta-esourcing.com/respond/7E52C2Y67E

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/073936-2026 |
| Notice type | UK4 - Tender Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Competitive flexible procedure |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 5 Aug 2026 |
| Submission deadline | 18 Sep 2026 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | 31 Mar 2027 - 30 Sep 2030 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £380,000 |
| Lots value | £380,000 |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Active |
| Lots status | Active |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | THAMESLINK SOUTHERN GREAT NORTHERN LIMITED (TSGN) |
| Locality | LONDON |
| Post town | Central London |
| Postcode | EC3R 8AJ |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | City of London |
| Electoral ward | Bridge |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | TLI London |

## CPV Codes

### Divisions

- 50 - Repair and maintenance services

### Codes

- 50530000 - Repair and maintenance services of machinery
- 50531300 - Repair and maintenance services of compressors

## Release History

- 5 Aug 2026 at 07:22 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/073936-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/073936-2026
  5th August 2026 - Tender notice on Find a Tender

## Notice URLs

- https://gtr.delta-esourcing.com/
- https://gtr.delta-esourcing.com/respond/7E52C2Y67E
- https://gtr.delta-esourcing.com/tenders/UK-UK-London:-Repair-and-maintenance-services-of-machinery./7E52C2Y67E
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06dbd3. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06dbd3.json.